package net.lshimokawa.pap6;

public class Calculadora {

	public int sumar(int a, int b) {
		return a + b;
	}

	public int restar(int a, int b) {
		return a - b;
	}

	public int multiplicar(int a, int b) {
		return a * b;
	}

	public int dividir(int a, int b) {
	if (b == 0) {
            return -1;
	}else {
            return a/b;
        }
}
}

